A catenane containing an upper-rim functionalized calixarene for anion recognition
- A novel catenane is synthesized in good yield from an upper-rim functionalized calixarene macrobicycle and a nitro-substituted isophthalamide threading component in the presence of a chloride anion template via a ring-closing metathesis (RCM) reaction. After halide anion template removal the resulting catenane host exhibits a high degree of selectivity for chloride in competitive organic solvent mixtures. © 2009 Elsevier Ltd. All rights reserved.
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